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WorksheetsPhysics II: Lesson 9 Quiz
Total questions: 20
Worksheet time: 10mins
The figure below shows a pictorial model of a highway bridge.
What is the primary structural action of A?
(What type of force is acting on the suspension cable?)
compression
torsion
tension
shear
A steel cable helps move an elevator from one floor to another, as shown in the diagram.
What is the primary type of stress on the cable above the elevator?
(What type of force is acting on the cable?)
compression
shear
tension
bending
The stones making an arch bridge are under ______ forces.
tension
compression
bending
shear
A simple beam bridge is made from a log spanning a small stream. The middle of the log is under what type of stress?
tension
compression
shear
bending
A wrench is tightening a bolt. What type of stress is the bolt experiencing?
shear
compression
torsion
bending
In the design process, a trade-off occurs when a problem is solved but a feature is sacrificed. Which of the following is an example of a trade-off?
A car’s gas mileage is increased and the engine has less power.
An airplane uses a more efficient engine and has higher performance.
A sports drink’s taste is improved and has the same nutritional content.
A computer company upgrades the hardware and the price remains unchanged.
One manufacturing technique involves gluing strips together to both shape them and strengthen them. This technique is called...
lapidation
corrugation
lamination
defenestration
Adding folds to a material can increase the strength of the material without adding weight. This technique is known as...
welding
corrugation
gluing
encapsulation
A factory needs to ship a pillow to a customer. Which is not an advantage of using a cardboard box over a wooden box?
Cardboard boxes are lighter.
Cardboard boxes are more durable.
Cardboard boxes are cheaper.
Cardboard boxes are easier to recycle.
The bar pictured was initially straight. When it was bent, the top surface experienced _______, while the bottom surface experienced _______.
shear / torsion
compression / tension
tension / compression
compression / shear
Which material is capable of withstanding compression stresses?
rope
chain
string
wood
The towers that hold up the suspension cables in a suspension bridge are under what type of stress?
tension
compression
bending
torsion
The "tensegrity" structures we made in class used string to keep them held up. The string was under what type of stress?
bending
compression
tension
torsion
Which of the following is not an example of lamination?
Which of the following is not an example of corrugation?
A structure that projects out horizontally, only being supported from one side is called a...
bridge
cantilever
truss
suspension cable
Blocks are stacked into a vertical tower. The blocks are squeezed between the weight on top of them pulling down because of gravity and the force from the ground pushing upwards. The blocks are therefore under...
shear
compression
bending
tension
A bolt has two cables attached to it, pulling with opposite forces as shown in the diagram. The bolt is experiencing what type of stress?
tension
torsion
shear
compression
Prior to going into full-scale production at a factory, it is a good engineering practice to first construct a small scale test of the design to test it. This test model is a...
prototype
mold
schematic
CAD
Which type of bridge is used to bridge the widest spans?
beam
truss
arch
suspension
